/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionStrata.h
class UMaterialExpressionStrataHairBSDF : public [UMaterialExpressionStrataBSDF](API\Runtime\Engine\Materials\UMaterialExpressionStrataBSDF)
FExpressionInpu...
Backlit
How much light contributs when lighting hairs from the back side opposite from the view, only available for HairStrand rendering (type = float3, unit = unitless, defaults to 0.0)
FExpressionInpu...
BaseColor
Hair fiber base color resulting from single and multiple scattering combined.
FExpressionInpu...
EmissiveColor
Emissive color on top of the surface (type = float3, unit = luminance, defaults to 0.0)
FExpressionInpu...
Roughness
Controls how rough the Material is.
FExpressionInpu...
Scatter
Amount of light scattering, only available for non-HairStrand rendering (type = float, unit = unitless, defaults to 0.0)
FExpressionInpu...
Specular
Specular (type = float, unit = unitless, defaults to 0.5)
FExpressionInpu...
Tangent
Tangent (type = float3, unit = unitless, defaults to +X vector)